MAX1661-MAX1663 datasheet(2/16 Pages) MAXIM

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Serial-to-Parallel/Parallel-to-Serial Converters and

Load-Switch Controllers with SMBus Interface

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ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VCC = +2.7V to +5.5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are for TA = +25°C.) (Note 1)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

VCC to GND ..............................................................-0.3V to +6V

I/O to GND (I/O1, I/O2, I/O3) ..................................-0.3V to +30V

I/O Sink Current (I/O1, I/O2, I/O3),

Internally Limited.............................................-1mA to +50mA

Digital Inputs to GND (SMBCLK, SMBDATA,

SMBSUS, ALERT).................................................-0.3V to +6V

ADD to GND ...............................................-0.3V to (VCC + 0.3V)

SMBDATA Current, ALERT Current ....................-1mA to +50mA

Continuous Power Dissipation (TA = +70°C)

10-pin µMAX (derate 5.6mW/°C above +70°C) ...........444mW

Operating Temperature Range

MAX166_EUB ..................................................-40°C to +85°C

Storage Temperature Range .............................-65°C to +160°C

Lead Temperature (soldering, 10sec) .............................+300°C

VCC falling

Measured between the 10% level of the falling

edge and the 10% level of the rising edge

Static condition; SMBDATA, SMBCLK, ADD,

ALERT = VCC or GND (Note 2)

Measured between the 90% level of the rising

edge and the 90% level of the falling edge

(Notes 3, 4)

SMBCLK, SMBDATA

V ALERT = 5.5V, high-Z state

VCC = 2.7V to 5.5V;

SMBDATA, SMBCLK, SMBSUS

VSMBDATA, VSMBCLK, V SMBSUS,

VADD = 0V, VCC

V ALERT = 0.4V

VSMBDATA = 0.6V

VI/O_ = 0V, VCC; high-impedance state

VI/O_ = 28V, high-impedance state

VI/O_ = 0.4V, VCC = 2.7V or 5.5V

VI/O_ = 1.0V, VCC = 4.5V

I/O1, I/O2, or I/O3; VCC = 4.5V

Typical hysteresis of 10°C

I/O_, SMBSUS, SMBCLK, SMBDATA

CONDITIONS

µs

4.7

tLOW

SMBCLK Low Time

µs

tHIGH

SMBCLK High Time

kHz

100

SMBus Clock Frequency

SMBus Input Capacitance

µA

ALERT Output Leakage Current

ALERT Output Low Sink Current

SMBDATA Output Low Sink

Current

Logic Input Low Voltage

2.4

Logic Input High Voltage

1.2

1.6

2.5

Undervoltage Lockout/

Power-On Reset Threshold

µA

2.7

5.5

Input Voltage Range

Supply Current

5.5

SMBus Logic Input

Voltage Range

µA

-1

Digital Input Current

-1

0.5

µA

0.5

I/O Leakage Current

I/O Sink Current

I/O Current Limit

°C

140

Thermal Shutdown

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

0.8

I/O_, SMBSUS, SMBCLK, SMBDATA

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